source: python/trunk/Mac/Demo/PICTbrowse/oldPICTbrowse.py

"""browsepict - Display all "PICT" resources found"""

import FrameWork
import EasyDialogs
from Carbon import Res
from Carbon import Qd
from Carbon import Win
from Carbon import List
import struct
import macresource

#
# Resource definitions
ID_MAIN=512
MAIN_LIST=1
MAIN_SHOW=2

# Where is the picture window?
LEFT=200
TOP=64

def main():
    macresource.need('DLOG', ID_MAIN, "oldPICTbrowse.rsrc")
    PICTbrowse()

class PICTbrowse(FrameWork.Application):
    def __init__(self):
        # First init menus, etc.
        FrameWork.Application.__init__(self)
        # Next create our dialog
        self.main_dialog = MyDialog(self)
        # Now open the dialog
        contents = self.findPICTresources()
        self.main_dialog.open(ID_MAIN, contents)
        # Finally, go into the event loop
        self.mainloop()

    def makeusermenus(self):
        self.filemenu = m = FrameWork.Menu(self.menubar, "File")
        self.quititem = FrameWork.MenuItem(m, "Quit", "Q", self.quit)

    def quit(self, *args):
        self._quit()

    def showPICT(self, resid):
        w = PICTwindow(self)
        w.open(resid)
        #EasyDialogs.Message('Show PICT %r' % (resid,))

    def findPICTresources(self):
        num = Res.CountResources('PICT')
        rv = []
        for i in range(1, num+1):
            Res.SetResLoad(0)
            try:
                r = Res.GetIndResource('PICT', i)
            finally:
                Res.SetResLoad(1)
            id, type, name = r.GetResInfo()
            rv.append((id, name))
        return rv

class PICTwindow(FrameWork.Window):
    def open(self, (resid, resname)):
        if not resname:
            resname = '#%r' % (resid,)
        self.resid = resid
        picture = Qd.GetPicture(self.resid)
        # Get rect for picture
        print repr(picture.data[:16])
        sz, t, l, b, r = struct.unpack('hhhhh', picture.data[:10])
        print 'pict:', t, l, b, r
        width = r-l
        height = b-t
        if width < 64: width = 64
        elif width > 480: width = 480
        if height < 64: height = 64
        elif height > 320: height = 320
        bounds = (LEFT, TOP, LEFT+width, TOP+height)
        print 'bounds:', bounds

        self.wid = Win.NewWindow(bounds, resname, 1, 0, -1, 1, 0)
        self.wid.SetWindowPic(picture)
        self.do_postopen()

class MyDialog(FrameWork.DialogWindow):
    "Main dialog window for PICTbrowse"

    def open(self, id, contents):
        self.id = id
        FrameWork.DialogWindow.open(self, ID_MAIN)
        self.dlg.SetDialogDefaultItem(MAIN_SHOW)
        tp, h, rect = self.dlg.GetDialogItem(MAIN_LIST)
        rect2 = rect[0]+1, rect[1]+1, rect[2]-17, rect[3]-17    # Scroll bar space
        self.list = List.LNew(rect2, (0, 0, 1, len(contents)), (0,0), 0, self.wid,
                        0, 1, 1, 1)
        self.contents = contents
        self.setlist()

    def setlist(self):
        self.list.LDelRow(0, 0)
        self.list.LSetDrawingMode(0)
        if self.contents:
            self.list.LAddRow(len(self.contents), 0)
            for i in range(len(self.contents)):
                v = repr(self.contents[i][0])
                if self.contents[i][1]:
                    v = v + '"' + self.contents[i][1] + '"'
                self.list.LSetCell(v, (0, i))
        self.list.LSetDrawingMode(1)
        self.list.LUpdate(self.wid.GetWindowPort().visRgn)

    def do_listhit(self, event):
        (what, message, when, where, modifiers) = event
        Qd.SetPort(self.wid)
        where = Qd.GlobalToLocal(where)
        print 'LISTHIT', where
        if self.list.LClick(where, modifiers):
            self.do_show()

    def getselection(self):
        items = []
        point = (0,0)
        while 1:
            ok, point = self.list.LGetSelect(1, point)
            if not ok:
                break
            items.append(point[1])
            point = point[0], point[1]+1
        values = []
        for i in items:
            values.append(self.contents[i])
        return values

    def do_show(self, *args):
        selection = self.getselection()
        for resid in selection:
            self.parent.showPICT(resid)

    def do_rawupdate(self, window, event):
        tp, h, rect = self.dlg.GetDialogItem(MAIN_LIST)
        Qd.SetPort(self.wid)
        Qd.FrameRect(rect)
        self.list.LUpdate(self.wid.GetWindowPort().visRgn)

    def do_activate(self, activate, event):
        self.list.LActivate(activate)

    def do_close(self):
        self.close()

    def do_itemhit(self, item, event):
        if item == MAIN_LIST:
            self.do_listhit(event)
        if item == MAIN_SHOW:
            self.do_show()

main()